﻿<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <title></title>
    <script type="text/javascript">
        function showHint(str) {
            var xmlhttp;
            if (str.length == 0) {
                document.getElementById("txtHint").innerHTML = "";
                return;
            }
            if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari
                xmlhttp = new XMLHttpRequest();
            }
            else {// code for IE6, IE5
                xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
            }
            xmlhttp.onreadystatechange = function () {
                if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
                    document.getElementById("txtHint").innerHTML = xmlhttp.responseText;
                }
            }
            xmlhttp.open("GET", "WebFormMatchNames.aspx?q=" + str, true);
            xmlhttp.send();
        }
    </script>
</head>
<body>
    <h3>请在下面的输入框中键入字母（A - Z）：</h3>
    <form action="">
        姓氏：<input type="text" id="txt1" oninput="showHint(this.value)"/>
    </form>
    <p>建议：<span id="txtHint"></span></p>

</body>
</html>